/* DEADZONE — Visual Effects — Atmospheric */

/* === FILM GRAIN (replaces CRT scanlines) === */
body.scanlines::before {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 9999;
  opacity: 0.035;
  mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='1'/%3E%3C/svg%3E");
  background-repeat: repeat;
  background-size: 256px 256px;
}

/* === FADE IN === */
.fade-in {
  animation: fadeIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === SLIDE UP === */
.slide-up {
  animation: slideUp 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === FLASH RED (threat) === */
.flash-red {
  animation: flashRed 0.6s ease-in-out 2;
}

@keyframes flashRed {
  0%, 100% { border-left-color: var(--danger); }
  50% { border-left-color: transparent; background: rgba(184,58,58,0.12); }
}

/* === GLOW TEXT === */
.glow-text {
  text-shadow: 0 0 8px rgba(196,164,106,0.5);
}

/* === PULSE ACCENT === */
.pulse-accent {
  animation: pulseAccent 2s ease-in-out infinite;
}

@keyframes pulseAccent {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

/* === SCREEN FLICKER (combat danger) === */
.screen-flicker {
  animation: screenFlicker 0.2s linear 3;
}

@keyframes screenFlicker {
  0% { filter: none; }
  50% { filter: brightness(0.85) saturate(1.3); }
  100% { filter: none; }
}

/* === DANGER PULSE (for extreme threats) === */
.danger-pulse {
  animation: dangerPulse 1.5s ease-in-out infinite;
}

@keyframes dangerPulse {
  0%, 100% { box-shadow: var(--shadow-card); }
  50% { box-shadow: var(--shadow-card), 0 0 20px rgba(184,58,58,0.15); }
}